Male gamete of a plant has 20 chromosomes. State the number of chromosomes in a) Female gamete
b) zygote
c). endosperm
d). cells of sepals

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

One of the purposes of transcription is to produce a sequence of bases that

In which state was more than 100 billion tons of coal mined in 2005?